def read_movingai(fname):
"""
Maps from movingai.com
files with '.map' ending. Consist of a 4 line header, the rest is ascii
with @ and T as obstacles.
"""
trans = dict(zip('.@T', ' **'))
lines = [''.join([trans.get(x, x) for x in l.strip()]) for l in linecache.getlines(fname)]
type_line, height_line, width_line, map_line = [x.strip() for x in lines[:4]]
type_word, type_type = type_line.split()
assert(type_word == 'type')
assert(type_type == 'octile')
height_word, height = height_line.split()
assert(height_word == 'height')
height = int(height)
assert(height > 0)
width_word, width = width_line.split()
assert(width_word == 'width')
width = int(width)
assert(width > 0)
assert(map_line == 'map')
assert(len(lines[4:]) == height)
rows = lines[4:]
assert(all(map(lambda x: len(x) == width, rows)))
return list(reversed(rows))
def read_maze(fname):
trans = dict(zip('.@', ' *'))
lines = [''.join([trans.get(x, x) for x in l.strip()]) for l in linecache.getlines(fname)]
map_type, height, width = lines[0], int(lines[1].strip().split()[1]), int(lines[2].strip().split()[1])
assert(lines[3].strip() == 'map')
assert(len(lines[4:]) == height)
rows = lines[4:]
assert(all(map(lambda x: len(x) == width, rows)))
return list(reversed(rows))
